ethnography vs descriptive anthropology

ethnography and descriptive anthropology both are nouns.

Word	Noun	Adjective	Verb	Adverb
ethnography	Yes	No	No	No
descriptive anthropology	Yes	No	No	No

As nouns, ethnography and descriptive anthropology are synonyms defined as:

ethnography and descriptive anthropology: the branch of anthropology that provides scientific description of individual human societies

ethnography (noun)	descriptive anthropology (noun)
the branch of anthropology that provides scientific description of individual human societies	the branch of anthropology that provides scientific description of individual human societies